Prep ... attended Grosse Pointe South High School (2013) coached by Tim Brandon.
Personal ... John Griffin Doyle was born September 28, 1994 ... enrolled in the College of Literature, Science and the Arts, major undeclared.
Learn about 2015 Michigan Football season tickets.
Kornacki: Zordich Talks Defensive Style, Cornerback Competition
Kornacki: Bryan Mone Could Be Force in Interior Line
Watch: Spring Football Practice Report
Watch: Inside Michigan Football
M Magazine: Welcome Home Coach
Watch: Spring Football Special Teams
Kornacki: Baxter Stressing Techniques, Intensity on U-M Special Teams